        .center .contain {
            width: 700px;
            margin-left: 5px;
        }

        .center .contain .item {
            width: 100%;
            margin-bottom: 20px;
            box-shadow: 0 0 5px lightgrey;
            border-radius: 5px;
            background: white;
        }

        .contain .item:first-child {
            margin-top:45px;
        }

        .contain .item .item-top{
            height:60px;
            width:100%;
            border-radius: 5px 5px 0 0;
        }
        .item-top .head-img{
            width: 50px;
            height: 50px;
            border-radius: 50px;
            background: lightblue;
            padding: 3px;
            float: left;
            margin-left: 5px;
            margin-top: 5px;
        }
        .item-top .head-img img{
            border-radius: 50px;
            width: 44px;
            height: 44px;
        }
        .item-top .author{
            height:50px;
            float: left;
            margin-top: 5px;
            margin-left: 5px;
        }
        .item-top .author .username{
            max-width: 200px;
            height: 25px;
            margin-bottom: 5px;
            font-size: 18px;
            font-weight: bold;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .item-top .author .createTime{
            max-width: 200px;
            height:20px;
            font-size: 12px;
            font-weight: bold;
        }
        .item-top .star{
            margin-top:15px;
            width:auto;
            float: right;
            margin-left: 150px;
        }
        .item-top .star a{
            position: inherit;
        }
        .item-top .star .orange{
            background: #ff8d00;
        }
        .item-top .star .green{
            background: #00d1b2;
        }
        .item-top .star a span{
            padding-left: 5px;
        }
        .item-top .hide{
            width:auto;
            height:20px;
            margin:20px;
            float: right;
        }
        .item-top .hide:hover{
            color: #00d1b2;
        }
        .item-center{
            width:100%;
            height:auto;
            padding:20px;
            display:block;
            color:black;
        }
        .item-center .item-title{
            width:100%;
            max-height: 70px;
            margin-bottom:5px;
            white-space: normal;
        }
        .item-center .image{
            width:100%;
            max-height: 300px;
            overflow: hidden;
            border-radius: 5px;
        }
        .item-bottom{
            width:100%;
            height:40px;
            border-radius: 0 0 5px 5px;
        }
        .item-bottom a{
            height: 30px;
            line-height: 30px;
            float: left;
            font-size: 16px;
            color:#afafaf;
            text-align: center;
            width: 232px;
            margin-top: 5px;
            display: block;
        }

        .item-bottom .grey{
            color:#afafaf;
        }

        .item-bottom .green{
            color:#00d1b2;
        }

        .item-bottom .red{
            color: #fa4d6c;
        }

        .item-bottom .yellow{
            color: #ffc761;
        }

        .item-bottom .blue{
            color: #1b7eb8;
        }

        .item-bottom a .num{
            font-size: 12px;
            padding-left: 10px;
        }
        .item-bottom a:last-child{
            border-right: 0;
        }